Facebook says a Russian troll farm with links to the Kremlin only spent $0.97 targeting British voters ahead of the Brexit referendum. But the head of a parliamentary committee says he's concerned Facebook hasn't looked hard enough.(image)

For young adults, buying their own health insurance for the first time is anything but simple. Now, Trump administration revisions to the law and congressional bills injecting uncertainty into insurance markets has made the task much more difficult.(image)

Under Armour is the worst performing stock in the S&P 500 for 2017. The company is hopeful that it can get back on track next year but analysts are still skeptical. Competition from Adidas and Nike continues to be fierce.(image)